Boonyasopon, P., Rangappa, S.M., Siengchin, S. and Boonyasopon, T. 2026. A Perspective on Carbon Footprints and Carbon Reduction in Various Sectors. Applied Science and Engineering Progress. 19, 2 (Apr. 2026), 7946. DOI:https://doi.org/10.14416/j.asep.2025.09.010.